Head to head

o1 vs GPT-5.6 Sol

On a blended workload of one million input tokens and three million output tokens, GPT-5.6 Sol is 2.1× cheaper than o1.

o1GPT-5.6 Sol
Provider OpenAI OpenAI
Input / MTok $15 $5
Output / MTok $60 $30
Cache read / MTok $7.5 $0.5
Context window 200,000
Blended 1M in + 3M out $195.00 $95.00
Status ga ga

o1 detail   GPT-5.6 Sol detail